arch/arm: add vcopyq_laneq_u32 for old gcc
arch/arm: add vcopyq_laneq_u32 for old gcc

Implement vcopyq_laneq_u32 if gcc version is lower than 7.

Signed-off-by: Jianbo Liu <ad48e27d4475ec2c10ba93ba465af79f05639344@linaro.org>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk